2BEX Hydrolase Inhibitor date Dec 01, 2004
title Crystal Structure Of Placental Ribonuclease Inhibitor In Com Human Eosinophil Derived Neurotoxin At 2a Resolution
authors S.Iyer, D.E.Holloway, K.Kumar, R.Shapiro, K.R.Acharya
compound source
Molecule: Ribonuclease Inhibitor
Chain: A, B
Synonym: Ribonucleaseangiogenin Inhibitor, Rai, Ri, Rnase
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Placenta

Molecule: Nonsecretory Ribonuclease
Chain: C, D
Synonym: Eosinophil Derived Neurotoxin, Ribonuclease Us, Rn Ribonuclease 2, Rnase 2;
Ec: 3.1.27.5
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Tissue: Blood
Cell: Eosinophils
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 31 2 1
R_factor 0.206 R_Free 0.243
crystal
cell
length a length b length c angle alpha angle beta angle gamma
91.980 91.980 257.650 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.99 Å
ligand GOL, MAK enzyme Hydrolase E.C.3.1.27.5 BRENDA
related structures by homologous chain: 1A4Y, 1H1H, 1HI4, 1Z7X
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • ribonuclease inhibitor activ...


  • D, C


    Primary referenceMolecular recognition of human eosinophil-derived neurotoxin (RNase 2) by placental ribonuclease inhibitor., Iyer S, Holloway DE, Kumar K, Shapiro R, Acharya KR, J Mol Biol. 2005 Apr 1;347(3):637-55. PMID:15755456
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (190 Kb) [Save to disk]
  • Biological Unit Coordinates (2bex.pdb1.gz) 94 Kb
  • Biological Unit Coordinates (2bex.pdb2.gz) 94 Kb
  • LPC: Ligand-Protein Contacts for 2BEX
  • CSU: Contacts of Structural Units for 2BEX
  • Likely Quarternary Molecular Structure file(s) for 2BEX
  • Structure Factors (738 Kb)
  • Retrieve 2BEX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2BEX from S2C, [Save to disk]
  • Re-refined 2bex structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2BEX in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2BEX
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2BEX, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2bex_C] [2bex_B] [2bex_D] [2bex_A] [2bex]
  • SWISS-PROT database: [P13489] [P10153]
  • Domain organization of [RINI_HUMAN] [RNAS2_HUMAN] by SWISSPFAM
  • Domains found in 2BEX: [LRR] [LRR_RI] [RNAse_Pc ] by SMART
  • Other resources with information on 2BEX
  • Community annotation for 2BEX at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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